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Trimos’s Universal Gage Calibration System model Labortory500
This micrometer is manufactured in a state-of-the-art ISO 9001 certified facility filled with modern machines such as Haas CNC milling centers, Brother CNC milling centers, Haas CNC turning centers just a few examples on the 50,000 sq. ft. CNC shop floors. Each micrometer is checked at 10 data points for maximum error tolerance with high precision gage blocks and also conducted inspection on parallelism and flatness by optical flat in a strict temperature controlled environment. The critical benchmark inspection media such as gage block are inspected periodically on world-known Swiss made calibration machines such as Switzerland’s Trimos’s Universal Gage Calibration System model Labortory500 and Germany’s Carl Zeiss Jena model 0-3000 mm calibration system for oversized length calibration.
- accuracy of <0.3µm +(L(mm)/1200) µm
Design to measure pitch diameter of metric and 60 degree unified screw threads
Interchangeable 60 degree V-anvil and conical spindle are made of a high grade steel, precision ground and hardened
- Forged steel frame with heat insulated in baked enamel finished to isolate heat from operator's hand
- Clear graduation on satin chrome finish on spindle sleeve to increase readability
- Advanced spindle design in hardened and precision ground lead screw threads give reliable and accurate reading
Rotating the thimble sleeve when the inspection piece is between the spindle and anvil activate the ratchet mechanism to tap the spindle and apply uniform measuring force to the inspection piece. Also easier to use in one-hand operation and improves measurement repeatability than ratchet-stop style micrometer
Customer
August 2, 2025
Very easy to use
Accuracyman
May 28, 2025
This is exactly what I needed to get accurate pitch diameters off threads I cut on the lathe. I compared the readings from this Shars mic to another more expensive mic and the readings were identical. I now feel comfortable believing the readings from this inexpensive Shars mic. Great thread micrometer for a very affordable price.
Customer
March 26, 2025
Used to measure threads
J.D. Flory
March 13, 2025
Tool showed up in a good case with all the anvils.I hate purchasing cheap tools and usually go with Starrett or Mitutoyo, but my recent situation doesn't really have the funds available for a $500 quality tool when the Shars @ $80 will do.
Todd Linder
January 27, 2025
I returned both mics neither had a correct standard.
Richard H. Sweet
January 13, 2025
This thread mic seems to work well and makes measuring threads quite easy and accurate.
B law
January 3, 2025
Arrived on time works great
Mike
December 31, 2024
Worked great. Biggest complaint, no instructions. Was not sure how to set anvils
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